陪你作佞臣
[péi nĭ zuò nìng chén]
This implies an individual willing to play the part of an accomplice or enabler in order to accompany another, possibly hinting at a supportive yet deviously devoted person. The character '佞臣' refers to a courtier who wins favor with the monarch by flattering or deceitful actions, thus it has a historical and somewhat negative connotation.