An ardent follower is someone who passionately supports and follows a person, group, or cause. There are several synonyms for the term ardent follower, such as a devoted follower, enthusiastic supporter, die-hard fan, loyalist, zealot, fanatic, and advocate. A devoted follower is someone who is extremely devoted to a particular person or cause. An enthusiastic supporter is someone who actively shows enthusiasm and support for someone or something. A die-hard fan is someone who remains loyal despite any setbacks. A loyalist is someone who remains committed to a political, social or economic ideology. A zealot is someone with extreme or fanatical views and who aggressively promotes them. A fanatic is someone who feels excessive and single-minded zeal and passion. An advocate is someone who publicly supports or recommends a particular cause or policy.