booster vs lifter

booster and lifter both are nouns.

Word	Noun	Adjective	Verb	Adverb
booster	Yes	No	No	No
lifter	Yes	No	No	No

As nouns, booster and lifter are synonyms defined as:

Other synonyms of booster include shoplifter.

booster (noun)	lifter (noun)
an additional dose that makes sure the first dose was effective	an athlete who lifts barbells
the first stage of a multistage rocket	a thief who steals goods that are in a store
an amplifier for restoring the strength of a transmitted signal
a thief who steals goods that are in a store
someone who is an active supporter and advocate
a person who backs a politician or a team etc.