three hundred men

I will rescue you and give you victory

Here "you" is plural and refers to Gideon and the Israelites. (See: rc://en/ta/man/translate/figs-you)

This can be stated in active form. AT: "So those whom Yahweh chose" (See: rc://en/ta/man/translate/figs-activepassive)

Here "their" refers to the Israelite soldiers who were leaving the army.

This word is used here to mark a break in the storyline. Here the narrator starts to tell a new part of the story.