fail angolul

agent [agents]▼(one who exerts power)
noun
[UK: ˈeɪ.dʒənt] [US: ˈeɪ.dʒənt]

doer [doers]▼(someone who does)
noun
[UK: ˈduːə(r)] [US: ˈduːr]

perpetrator [perpetrators]▼(one who perpetrates)
noun
[UK: ˈpɜː.pɪ.treɪ.tə(r)] [US: ˈpɝː.pə.ˌtre.tər]

subject [subjects]▼(in grammar)
noun
[UK: sʌb.ˈdʒekt] [US: sʌb.ˈdʒekt]