C Grand Chapter of Royal Arch Masons of Alberta Ever get confused with proper protocol when addressing a Companion in Chapter?This information will help.In The Mark Master Mason & Most Excellent Master Degrees……Everyone …….is a BrotherOnce Exalted to the Holy Royal Arch,….. Everyone…… in Royal Arch Masonry is a Companion.(when in doubt, addressing everyone as Companion is proper) Companions having been Elected 1st, 2nd & 3rd Principals of a Chapter receive the distinction of being an Excellent CompanionCompanions having been Appointed to Grand Chapter receive the distinction of being a Very Excellent Companion Companions having been Elected to Grand Chapter receive the distinction of being a Right Excellent Companion Companions having been Installed as a Grand 1st Principal are addressed as Most Excellent Companion pro temPronunciation /prəʊ ˈtɛm/ See synonyms for pro tem ADVERBFor the time being. ADJECTIVELasting only for the time being.‘a pro tem committee’ OriginLate 18th century abbreviation of Latin pro tempore.