en_tn/act/08/21.md

You have no part or share in this matter

The words "part" and "share" mean the same thing and are used for emphasis. AT: "You may not participate in this work" (See: rc://en/ta/man/translate/figs-doublet)

your heart is not right

Here "heart" is a metonym for a person's thoughts or motives. AT: "you are not right in your heart" or "the motives of your mind are not right" (See: rc://en/ta/man/translate/figs-metonomy)