people who are taught and helped by someone more experienced (para D)
trainees
did something publicly to change something (para A)
campaigned
not fussy (para C)
down-to-earth
incredible (para C)
phenomenal
unimaginable (para A)
inconceivable
stop (para A)
ban
most fashionable (para B)
coolest
a course where you learn a lot in a short time (para D)
crash course