The term 'Sunflower Supporters' refers to people who are in favor of the Sunflower Movement, a student-led protest in Taiwan that began in March 2014. The movement was sparked by the passing of a controversial trade agreement between Taiwan and China. The crossword solution for the term 'Sunflower Supporters' is STEMS, which stands for Students, Teachers, Environmentalists, Media, and Scholars. These five groups of people were the main supporters of the Sunflower Movement, and their collective efforts helped to bring attention to the issue and ultimately led to the withdrawal of the trade agreement.