entrepreneur [entrepreneurs](person who organizes and operates a business and assumes the associated risk) noun [UK: ˌɒn.trə.prə.ˈnɜː(r)] [US: ˌɑːn.trə.prə.ˈnɝː]
katılımcınoun
participant [participants](one who participates) noun [UK: pɑː.ˈtɪ.sɪ.pənt] [US: parˈtɪ.sə.pənt]