1) An idle slothful person 2) Do-nothing 3) Idler 4) Layabout 5) Lazy one 6) Loafer 7) No ball of fire, he 8) Sloth advocate 9) Slug Found on https://www.crosswordclues.com/clue/sluggard
Slug'gard noun [ Slug + - ard .] A person habitually lazy, idle, and inactive; a drone. « Go to the ant, thou sluggard ; consider her ways, and be wise.» Prov. vi. 6. Found on http://www.encyclo.co.uk/webster/S/125