There are many mods available here and in the Steam Workshop, as Bruno already mentioned. In the future, some more mods could be made with what you are looking for, but check these ones out:
Links to Discourse threads, or Steam Workshop pages here:
Swamp Biome + Firefly Clan + Beast Tamer: Its Bruno’s mod that adds the combat class Beast Tamer for all main Kingdoms, which can snare enemies, and summons helper creatures.
Nordlingmod: Its Wouter’s mod which adds a kingdom of Norse style vikings, and a custom worker that can do farming and cooking, and levels up too.
High Class: Its DangerousDD’s mod which adds upgraded combat classes that are quite powerful, available after reaching level 6 in the regular combat classes.
Kaimonkey’s Traits: Its Kaimonkey’s mod which adds many new possible traits for Hearthlings, and some are combat related, like the Barbarian, and Martial Trained traits.
Necromancer Class: Its AndrealVox’s mod which is for a Necromancer combat class.
Elves of Veloren: Its DemoniconPC’s mod which adds a Kingdom of Elves, and a Paladin combat class.
Space Magic: Its my mod which adds a few magic type jobs, two of them are used in combat.