to be necessary for (someone) [with لِ (li) ‘for something, to do something’] (idiomatically translated by English need with the subject and object reversed)
to be permanent
to be binding (of a law)
to be obligatory [with accusative or عَلَى (ʕalā) ‘for someone’] (of a ruling, etc.)
to follow necessarily [with عَن (ʕan) ‘for some reason’] (of a conclusion, etc.)
(transitive) to stay permanently in (a location)
(transitive) to cling to, to be inseparable from (someone)