Excepted are those with whom you made a treaty among the polytheists and then they have not been deficient toward you in anything or supported anyone against you; so complete for them their treaty until their term [has ended]. Indeed, Allah loves the righteous [who fear Him].
Meaning:-
Treaty: any agreement, contract, covenant,
Polytheists: belief in more than one god or in many gods
Deficient: not having enough of a specified quality
Righteous: (of a person or conduct) morally right or justifiable; virtuous, very good; excellent.