people of a certain kind; class, cohort / generation / lifetime

(Internet) follow / follow-up; subsequent action or treatment / (golf) a tailwind, wind blowing in the same direction as the shot

to defend; to look after (someone); to assist; to supplement; to compensate for another's short-comings / (Internet) to follow / (sports) to rebound; follow up (a shot etc.)

(a person’s) age, approximate age / middle age; a middle-aged person, an older person

a pie (type of pastry)

(mathematics) pi

follow-up service

(dialect) very, absolutely

大先輩: veteran, someone who is one's senior by a significant degree

before, previous / end, tip / earlier, the past / afterwards, the future / the destination of a motion or action / sequel / ahead, in front