Ma'anar ƙamus na "mutumin soja" shine mutumin da ke cikin ƙungiyar soja ko wanda ya yi aikin soja. Yawanci yana nufin wanda aka horar da shi kuma yana da gogewa a dabarun soja, dabaru, da ayyuka, kuma wanda zai iya rike matsayi ko matsayi na iko a cikin tsarin soja. Maza soja na iya yin aiki da ayyuka daban-daban, ciki har da soja, hafsoshi, matukin jirgi, jirgin ruwa, ko wasu mukamai na musamman a cikin sojojin. Hakanan ana iya amfani da kalmar a faɗin magana ga duk wanda ya nuna halaye ko ƙima masu alaƙa da soja, kamar horo, aminci, da ƙarfin hali.