Chero

Chere kana chero (On condition that; so long as; provided that, if only). 

Chero (anybody, everybody). Sokuti chero munhu anogona kupinda muRufaro Stadium.

 Kurerutsa Mutauro 

Chere wafumouya ndinokupa basa: I'll give you a job provided that you get here early.

 Mitauro yeBantu 

VaMambwe vanoti cila (every, each).
VaBemba vanoti cila mwaka (annually) kureva gore negore.
VaBemba vanoti cila bushiku (daily) kureva zuva nezuva.