Thanks for the comments. There will be a unit similar to the grenadier at some point, but probably not the next release.
Can you please post a list of (proposed and released) units?
fungus farm - a basic food production and storage unit which creates slaves and bosses. unit production will probly move to a seperate building at some point.
hoard - storage unit and drop off for gold,stone,wood resources.
War totem - basically a barracks building for basic warrior/archer units.
slave - basic worker unit.
boss - weak melee unit which can speed up worker gathering at the cost of worker health.
warrior - basic melee unit, quite weak.
archer - basic ranged unit, quite weak.
crusher - a heavier armoured melee unit with better attack.
Proposed (next release)
Geomancer - magic unit with various spells probly including an earthquake.
earth totem - production/upgrade building for the geomancer.
fire totem - production unit for pyromancers and fire dancers
pyromancer - magic unit with destructive ranged fire spells.
fire dancer - short ranged unit with a powerful molotov attack.