someone who moves slowly around or stands in a public place without an obvious reason

Teens like to gather in front of the cafe, but the owner doesn't like loiterers. 青少年喜欢在咖啡馆前聚集，但店主不喜欢游荡者。

Neighbourhood residents chase off loiterers with calls to police. 附近的居民打电话给警察赶走了游荡者。

someone who goes slowly, stopping often

The guards hounded the loiterers and laggards to keep moving and not slow the column. 卫兵们催促走得慢的和落伍者继续前进，不要拖慢队伍。