Originally, 'alms' were given as part of religious duty in many faiths. The congregation collected alms during the service.
Pro Tip 2/3
Historical Use
'Alms' often refers to help given in historical or religious contexts, less common in modern language. In medieval times, knights provided alms to the destitute.
Pro Tip 3/3
Not Reciprocal
Giving alms is a selfless act; you don't expect anything in return. Her alms to the shelter were anonymous and unconditional.