crawler

definition: terrestrial worm that burrows into and helps aerate soil
example:
speech part: noun
synonyms: earthworm
definition: a person who crawls or creeps along the ground
example:
speech part: noun
synonyms: creeper
definition: a person who tries to please someone in order to gain a personal advantage
example:
speech part: noun
synonyms: lackey sycophant ass-kisser

How crawler is being used?