Oferer or Offerer: How To spell?
The word Oferer is misspelled against Offerer, a noun meaning "One who offers; esp., one who offers something to God in worship."
Offerer has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings O & erer which should not be misspelled with single 'F'
Wrong Spelling:  O-f-erer  Correct Spelling:  O-ff-erer 
Explore spell check of Offerer to spell without errors.