## I call God to bear witness for me ##

The phrase "bear witness" refers to a person telling what they have seen or heard in order to settle an argument.  "I ask God to show what I say is true"

## stand in your faith ##

The word "stand" can refer to something that does not change. AT: "remain firm in your faith" (See: [[rc://en/ta/man/translate/figs-idiom]])