Regular hospital attendant (7)
I believe the answer is:
orderly
I believe this is a double definition.
'regular' is the first definition.
(similar in meaning)
'hospital attendant' is the second definition.
(synonyms)
(Other definitions for orderly that I've seen before include "Methodical, like soldier servant" , "An officer's servant, tidy chap" , "Hospital attendant - neat" , "He should leave the ward neat" , "Methodical; hospital worker" .)