The Entertainer Background is a character Background; It follows their common conventions.
It is assumed you are familiar with the 2014 Background List. Check with your GM to see what is supported in your Setting.
@Character Inception, Characters gain an Attribute Score Increase (ASI), limited in application by Attribute Group(s) or explicitly as defined either by their Background's Vocational ASI OR as a Pathway ASI:
BACKGROUND = +1 and +1
Benefit = +1 CP @Character Inception
i20 Skills REPLACE d20 skill proficiency ( Proficiency Bonus) - Character Points are Rewarded by the GM to buy traits and Skills (adding to the Result Check).