 Warren has also served as the island 's nurse , its only police officer , a ham radio operator , and as a member of the territory 's governing council , among many other roles . 
 Warren <a href='been_done' title='1'><mark>has</mark></a> also served as the island <a href='null_genetive' title='2'><mark>'s</mark></a>nurse , its only police officer , a ham radio operator , and as a member of the territory <a href='null_genetive' title='3'><mark>'s</mark></a>governing council , among many other roles . 
Warren done also served as the island  nurse , its only police officer , a ham radio operator , and as a member of the territory  governing council , among many other roles .