1) Combat occupation 2) Guy with a simple weapon 3) Warrior of a type 
[military] A spearman is an ancient infantry or cavalry combat unit which was armed with a spear, and in some cases, a shield. In popular culture a `spearman` is an early melee unit found in Civilization games. Its primary role is to be used for attacking or defending against mounted units. ...
• (n.) One who is armed with a spear.
Spear'man noun ; plural Spearmen One who is armed with a spear. Acts xxiii. 23.