Trustworthy
Someone you can rely on even if you aren’t on good standards they won’t tell anyone anything you don’t want anyone knowing
Example:
Jack knows that jenna is trustworthy because he told her all of his deepest secrets and they aren’t friends anymore but she’s still keeping his secrets
Jack knows that jenna is trustworthy because he told her all of his deepest secrets and they aren’t friends anymore but she’s still keeping his secrets