Self-starter is a term used to describe a person who is proactive, ambitious, and takes the initiative to start things on their own without needing any external motivation. The opposite of a self-starter would be someone who is passive and lacks the drive to take charge. Some antonyms for self-starter would be follower, procrastinator, incompetent, lazy, lethargic, and apathetic. A follower tends to wait for someone else to take the lead and then follows along, while a procrastinator puts off tasks until the last minute. An incompetent person lacks the necessary skills to complete a task, while a lazy and lethargic person lacks motivation and energy. Lastly, an apathetic person lacks interest and enthusiasm, making them an antonym for self-starter.