According to 1 John 2:1, 1 Timothy 2:5, John 14:6, Proverbs 14:12.

Do we need saints, men of God, women of God, Mother of god, Demi gods, angels, to advocate/mediate for us

See below for the above quoted scriptures.
1 John 2:1King James Version (KJV)
2 My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father, Jesus Christ the righteous:


1 Timothy 2:5King James Version (KJV)
5 For there is one God, and one mediator between God and men, the man Christ Jesus;


Proverbs 14:12King James Version (KJV)
12 There is a way which seemeth right unto a man, but the end thereof are the ways of death.


John 14:6King James Version (KJV)
6 Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.

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