Is tagapag a prefix in tagalog language?

such as the word tagapaghatid,tagapagbalita,tagapaglathal…so many words are formed as tagapag,so i guess tagapag is a prefix in tagalog language,is it?|||"Tagapag ..." is a Tagalog prefix used to coined to a verb or a noun to make it means ..... one who. For exqmple; tagapag... tangol = a protector (tangol alone means protect)|||Yes, it is. It means "someone who ________ ."|||Annely is right.Tagapag- is a prefix applied after a verb to indicate a person who does something.Tagapag+hatid - someone who relays or sendTagapag+balita - someone who tells newsTagapag+lathala- Someone who publishes