noun

a person who avoids work or spends time in an aimless or lazy way.

loafer,layabout,good-for-nothing,ne’er-do-well,do-nothing,lounger,shirker,sluggard,slugabed,slug,laggard,malingerer,waster,slacker,cyberslacker,slob,lazybones,slowcoach,skiver,slowpoke,wastrel,fainéant