Cunning Affinity

This spell allows you to instantly comprehend indigenous speech patterns and mannerisms of the creatures around you.  For the duration, you have advantage on all Charisma checks directed at one creature of your choice that isn't hostile toward you and that creature can understand your communication.

At higher levels this spell grants you advantage against additional creatures: two creatures at 5th level, five creatures at 11th level, all creature that can hear or see you at 17th level.