Abrahm is a ♂ male name.
Arahm is a spelling of Abraham, a biblical name of Hebrew origin.
Abrahm means “exalted father” (from Hebrew “ab/אָב” = father + “rum/רוּם” = to exalt) or “father of many”, “father of a multitude” (from Hebrew “ab/אָב” = father + “הָמוֹן/hamon” = mutlitude/many).