malingerer Antonyms

achiever active person aggressive person aggressively enterprising human aggressively enterprising man aggressively enterprising person aholic ambitious person ardent person assertive person busy person competitive person big fish in a little puddle big-fish-little-pond active participant success story changemaker acumen ambition ambitious beaver chops rustler activist busy bee eager beaver go-getter powerhouse big fish in a little pond bootstrapper bundle of energy big frog in a little pond