plikttrogen betyder på engelska

conscientious▼(thorough, careful, or vigilant)
adjective
[UK: ˌkɒn.ʃɪ.ˈen.ʃəs] [US: ˌkɑːn.ʃi.ˈen.ʃəs]

duteous▼(obsequious; submissively obedient)
adjective
[UK: ˈdjuː.tɪəs] [US: ˈdjuː.tɪəs]

dutiful▼(accepting of one's obligations)
adjective
[UK: ˈdjuː.tɪ.fəl] [US: ˈduː.ti.fəl]