kannattaja

noun
  1. A person who supports or is a fan of someone or something, such as a team, idea, or cause. noun
    She is a loyal kannattaja of the local football team.
    The politician thanked his kannattajat for their unwavering support during the campaign.
  2. An advocate or proponent of a particular idea or policy. noun
    He is a kannattaja of environmental conservation efforts.
    As a kannattaja of free speech, she often participates in debates on the topic.