'Thyself' in the Bible

Make thyself an ark of gopher wood: with cells shalt thou make the ark; and pitch it inside and outside with pitch.

Is not the whole land before thee? Separate thyself, I pray thee, from me: if to the left, then I will take the right; and if to the right, then I will take the left.

And the king of Sodom said to Abram, Give me the souls, and take the property for thyself.

And the Angel of Jehovah said to her, Return to thy mistress, and submit thyself under her hands.