dog [dogged, dogging, dogs](to pursue with the intent to catch) verb [UK: dɒɡ] [US: ˈdɔːɡ]The dog ran after a fox. = El perro persiguió al zorro.
haunt [haunted, haunting, haunts](to stalk) verb [UK: hɔːnt] [US: ˈhɒnt]My past indiscretions are coming back to haunt me. = Mis pasadas indiscreciones están regresando para perseguirme.
persecute [persecuted, persecuting, persecutes](to pursue in a manner to injure, grieve, or afflict) verb [UK: ˈpɜː.sɪ.kjuːt] [US: ˈpɝː.sə.ˌkjuːt]John felt persecuted. = John se sintió perseguido.
pursue [pursued, pursuing, pursues](to follow urgently) verb [UK: pə.ˈsjuː] [US: pər.ˈsuː]Pursue your interests. = Persigue tus intereses.
run after(follow quickly) verb [UK: rʌn ˈɑːf.tə(r)] [US: ˈrən ˈæf.tər]