1. a person who approves of and encourages someone or something
2. a person who provides help or assistance, especially financial
3. something that holds up or bears the weight of something else

Examples

• She has been a loyal supporter of the team for twenty years.
• The candidate thanked his supporters after winning the election.
• Major supporters of the charity donated millions to the cause.
• The company’s financial supporters helped it through difficult times.
• Install a supporter under the shelf to prevent it from sagging.
• The bridge needed additional supporters to handle the heavy traffic.
• He became a supporter of environmental causes after the oil spill.