Straggler (noun)

A person or thing that is left behind or lags behind a group, often as a result of being slow, disorganized, or lost.

Origin:

Derived from the verb 'to straggle' (to wander off from a group or formation, or to trail behind).

Examples:

1. The straggler finally caught up with the rest of the group after losing his way.
2. The stragglers struggled to keep up with the pace of the march.
3. The straggler was the last person to cross the finish line, over an hour after the winner.
4. The straggler was a tired and hungry traveler who had gotten lost on the trail.
5. Stragglers can sometimes be seen in the back of a parade, trying to catch up to the rest of the participants.