be an enemy to (one's country etc)

be disloyal

to abandon (a person, good behaviour etc)

abandon, turn one's back on

free, clear; to go away from (something); to stop (doing something)

abandon, leave

to be on even terms (by repaying a debt of money, punishment etc)

abandon, leave

to declare formally that one will no longer have anything to do with (a person, belief etc)

abandon, reject