Thomas, perhaps these holy Scriptures given below will be helpful to you in knowing who YHWH is.
Matthew 3:3
ܗܢܘ ܓܝܪ ܗܘ ܕܐܡܝܪ ܒܝܕ ܐܫܥܝܐ ܢܒܝܐ ܩܠܐ ܕܩܪܐ ܒܚܘܪܒܐ ܛܝܒܘ ܐܘܪܚܗ ܕܡܪܝܐ ܘܐܫܘܘ ܠܫܒܝܠܘܗܝ
"For, this is he who was spoken of through Isaiah the Prophet, 'A voice calling in the wilderness, make ready the way of MarYa {The Lord-YHWH}, and make smooth His paths.'"
Mark 1:3
ܩܠܐ ܕܩܪܐ ܒܡܕܒܪܐ ܛܝܒܘ ܐܘܪܚܗ ܕܡܪܝܐ ܘܐܫܘܘ ܫܒܝܠܘܗܝ
"The voice calling in the wilderness, 'Make ready the way of MarYa {The Lord-YHWH}, and make smooth His paths.'"
Luke 1:76
ܘܐܢܬ ܛܠܝܐ ܢܒܝܗ ܕܥܠܝܐ ܬܬܩܪܐ ܬܐܙܠ ܓܝܪ ܩܕܡ ܦܪܨܘܦܗ ܕܡܪܝܐ ܕܬܛܝܒ ܐܘܪܚܗ
"And you, boy, will be called the Prophet of The Most High, for you will go before the face of MarYa {The Lord-YHWH}, to prepare His way."
Luke 2:11
ܐܬܝܠܕ ܠܟܘܢ ܓܝܪ ܝܘܡܢܐ ܦܪܘܩܐ ܕܐܝܬܘܗܝ ܡܪܝܐ ܡܫܝܚܐ ܒܡܕܝܢܬܗ ܕܕܘܝܕ
"For there is born for you today, The Savior, who is MarYa Mshikha {The Lord-YHWH The Messiah}, in the City of David."
Luke 3:4
ܐܝܟܢܐ ܕܟܬܝܒ ܒܟܬܒܐ ܕܡܠܐ ܕܐܫܥܝܐ ܢܒܝܐ ܕܐܡܪ ܩܠܐ ܕܩܪܐ ܒܚܘܪܒܐ ܛܝܒܘ ܐܘܪܚܗ ܕܡܪܝܐ ܘܬܪܘܨܘ ܒܦܩܥܬܐ ܫܒܝܠܐ ܠܐܠܗܢ
"As it is written in the Book of the Words of Isaiah the Prophet, who said 'The voice calling in the wilderness, make ready the way of MarYa {The Lord-YHWH}, and make straight paths in the plain, for Alaha {God}.'"
Acts 2:36
ܫܪܝܪܐܝܬ ܗܟܝܠ ܢܕܥ ܟܠܗ ܒܝܬ ܝܣܪܝܠ ܕܡܪܝܐ ܘܡܫܝܚܐ ܥܒܕܗ ܐܠܗܐ ܠܗܢܐ ܝܫܘܥ ܕܐܢܬܘܢ ܙܩܦܬܘܢ
"Therefore, truly know, in all the House of Israel: that MarYa {The Lord-YHWH} and Mshikha {The Messiah}, Alaha {God} has made this Eshu {Yeshua}, who you have crucified."
Acts 10:36
ܡܠܬܐ ܓܝܪ ܕܫܕܪ ܠܒܢܝ ܝܣܪܝܠ ܘܣܒܪ ܐܢܘܢ ܫܠܡܐ ܘܫܝܢܐ ܒܝܕ ܝܫܘܥ ܡܫܝܚܐ ܗܢܘ ܡܪܝܐ ܕܟܠ
"For, He sent The Word unto the sons of Israel, declaring peace and tranquility by Eshu
Mshikha {Yeshua the Messiah}; the same is MarYa {The Lord-YHWH} of all."
Romans 14:9
ܡܛܠ ܗܢܐ ܐܦ ܡܫܝܚܐ ܡܝܬ ܘܚܝܐ ܘܩܡ ܕܗܘ ܢܗܘܐ ܡܪܝܐ ܠܡܝܬܐ ܘܠܚܝܐ
"Because of this, even Mshikha {The Messiah} died and revived and rose, He being MarYa {The Lord-YHWH} unto the dead and to the living."
Romans 14:14
ܝܕܥ ܐܢܐ ܓܝܪ ܘܡܦܣ ܐܢܐ ܒܡܪܝܐ ܝܫܘܥ ܕܡܕܡ ܕܡܣܝܒ ܡܢ ܠܘܬܗ ܠܝܬ ܐܠܐ ܠܐܝܢܐ ܕܪܢܐ ܥܠ ܡܕܡ ܕܛܡܐ ܠܗܘ ܗܘ ܒܠܚܘܕ ܛܡܐ
"For, I know and I am convinced in MarYa Eshu {The Lord-YHWH Yeshua}, that nothing from itself defiles, but rather, they who consider something impure, that it is to them alone unclean."
1Corinthians 8:6
ܐܠܐ ܠܢ ܕܝܠܢ ܚܕ ܗܘ ܐܠܗܐ ܐܒܐ ܕܟܠ ܡܢܗ ܘܚܢܢ ܒܗ ܘܚܕ ܡܪܝܐ ܝܫܘܥ ܡܫܝܚܐ ܕܟܠ ܒܐܝܕܗ ܐܦ ܚܢܢ ܒܐܝܕܗ
"But, for us, there is One Alaha, The Father, from whom are all things, and we in Him, and One MarYa Eshu Mshikha {Lord-YHWH Yeshua the Messiah}, through whom are all things, and also we through Him.
1 Corinthians 12:3b
"...no man is able to say that MarYa {The Lord-YHWH} is Eshu {Yeshua}, except by The Rukha d’Qudsha {The Spirit of Holiness}."
Matthew 3:3
ܗܢܘ ܓܝܪ ܗܘ ܕܐܡܝܪ ܒܝܕ ܐܫܥܝܐ ܢܒܝܐ ܩܠܐ ܕܩܪܐ ܒܚܘܪܒܐ ܛܝܒܘ ܐܘܪܚܗ ܕܡܪܝܐ ܘܐܫܘܘ ܠܫܒܝܠܘܗܝ
"For, this is he who was spoken of through Isaiah the Prophet, 'A voice calling in the wilderness, make ready the way of MarYa {The Lord-YHWH}, and make smooth His paths.'"
Mark 1:3
ܩܠܐ ܕܩܪܐ ܒܡܕܒܪܐ ܛܝܒܘ ܐܘܪܚܗ ܕܡܪܝܐ ܘܐܫܘܘ ܫܒܝܠܘܗܝ
"The voice calling in the wilderness, 'Make ready the way of MarYa {The Lord-YHWH}, and make smooth His paths.'"
Luke 1:76
ܘܐܢܬ ܛܠܝܐ ܢܒܝܗ ܕܥܠܝܐ ܬܬܩܪܐ ܬܐܙܠ ܓܝܪ ܩܕܡ ܦܪܨܘܦܗ ܕܡܪܝܐ ܕܬܛܝܒ ܐܘܪܚܗ
"And you, boy, will be called the Prophet of The Most High, for you will go before the face of MarYa {The Lord-YHWH}, to prepare His way."
Luke 2:11
ܐܬܝܠܕ ܠܟܘܢ ܓܝܪ ܝܘܡܢܐ ܦܪܘܩܐ ܕܐܝܬܘܗܝ ܡܪܝܐ ܡܫܝܚܐ ܒܡܕܝܢܬܗ ܕܕܘܝܕ
"For there is born for you today, The Savior, who is MarYa Mshikha {The Lord-YHWH The Messiah}, in the City of David."
Luke 3:4
ܐܝܟܢܐ ܕܟܬܝܒ ܒܟܬܒܐ ܕܡܠܐ ܕܐܫܥܝܐ ܢܒܝܐ ܕܐܡܪ ܩܠܐ ܕܩܪܐ ܒܚܘܪܒܐ ܛܝܒܘ ܐܘܪܚܗ ܕܡܪܝܐ ܘܬܪܘܨܘ ܒܦܩܥܬܐ ܫܒܝܠܐ ܠܐܠܗܢ
"As it is written in the Book of the Words of Isaiah the Prophet, who said 'The voice calling in the wilderness, make ready the way of MarYa {The Lord-YHWH}, and make straight paths in the plain, for Alaha {God}.'"
Acts 2:36
ܫܪܝܪܐܝܬ ܗܟܝܠ ܢܕܥ ܟܠܗ ܒܝܬ ܝܣܪܝܠ ܕܡܪܝܐ ܘܡܫܝܚܐ ܥܒܕܗ ܐܠܗܐ ܠܗܢܐ ܝܫܘܥ ܕܐܢܬܘܢ ܙܩܦܬܘܢ
"Therefore, truly know, in all the House of Israel: that MarYa {The Lord-YHWH} and Mshikha {The Messiah}, Alaha {God} has made this Eshu {Yeshua}, who you have crucified."
Acts 10:36
ܡܠܬܐ ܓܝܪ ܕܫܕܪ ܠܒܢܝ ܝܣܪܝܠ ܘܣܒܪ ܐܢܘܢ ܫܠܡܐ ܘܫܝܢܐ ܒܝܕ ܝܫܘܥ ܡܫܝܚܐ ܗܢܘ ܡܪܝܐ ܕܟܠ
"For, He sent The Word unto the sons of Israel, declaring peace and tranquility by Eshu
Mshikha {Yeshua the Messiah}; the same is MarYa {The Lord-YHWH} of all."
Romans 14:9
ܡܛܠ ܗܢܐ ܐܦ ܡܫܝܚܐ ܡܝܬ ܘܚܝܐ ܘܩܡ ܕܗܘ ܢܗܘܐ ܡܪܝܐ ܠܡܝܬܐ ܘܠܚܝܐ
"Because of this, even Mshikha {The Messiah} died and revived and rose, He being MarYa {The Lord-YHWH} unto the dead and to the living."
Romans 14:14
ܝܕܥ ܐܢܐ ܓܝܪ ܘܡܦܣ ܐܢܐ ܒܡܪܝܐ ܝܫܘܥ ܕܡܕܡ ܕܡܣܝܒ ܡܢ ܠܘܬܗ ܠܝܬ ܐܠܐ ܠܐܝܢܐ ܕܪܢܐ ܥܠ ܡܕܡ ܕܛܡܐ ܠܗܘ ܗܘ ܒܠܚܘܕ ܛܡܐ
"For, I know and I am convinced in MarYa Eshu {The Lord-YHWH Yeshua}, that nothing from itself defiles, but rather, they who consider something impure, that it is to them alone unclean."
1Corinthians 8:6
ܐܠܐ ܠܢ ܕܝܠܢ ܚܕ ܗܘ ܐܠܗܐ ܐܒܐ ܕܟܠ ܡܢܗ ܘܚܢܢ ܒܗ ܘܚܕ ܡܪܝܐ ܝܫܘܥ ܡܫܝܚܐ ܕܟܠ ܒܐܝܕܗ ܐܦ ܚܢܢ ܒܐܝܕܗ
"But, for us, there is One Alaha, The Father, from whom are all things, and we in Him, and One MarYa Eshu Mshikha {Lord-YHWH Yeshua the Messiah}, through whom are all things, and also we through Him.
1 Corinthians 12:3b
"...no man is able to say that MarYa {The Lord-YHWH} is Eshu {Yeshua}, except by The Rukha d’Qudsha {The Spirit of Holiness}."