zealot – n. a person who has very strong feelings about something (such as religion or politics) and who wants other people to have those feelings : a zealous person
fanatic – n. marked by excessive enthusiasm and often intense uncritical devotion
radical – adj. favoring extreme changes in existing views, habits, conditions, or institutions : associated with political views, practices, and policies of extreme change
first come, first served – phrase : used to say that the people who arrive earliest get served or treated before the people who arrive later
apt – adj. having a tendency : likely <plants apt to suffer from drought>
votary – n. a devoted admirer : a devout or zealous worshipper : a staunch believer or advocate
hair salon – n. a shop where people go to have their hair cut and put into a particular style
salon – n. a fashionable assemblage of notables (such as literary figures, artists, or statesmen) held by custom at the home of a prominent person