"loiters" in the verb sense
1. loiter, lounge, footle, lollygag, loaf, lallygag, hang around, mess about, tarry, linger, lurk, mill about, mill around
"The high school students like to loiter in the Central Square"
"Who is this man that is hanging around the department?"
Source: WordNet® (An amazing lexical database of English)
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