piggybacking
verb
Definitions
To attach or append something to another (usually larger) object or event.
Example: The popular host can’t claim credit for the trade, though. The idea wasn’t his. He piggybacked off another successful investor who had a history of picking winners.
To obtain a wireless internet connection by bringing one's own computer within the range of another's wireless connection without that subscriber's permission or knowledge.
To utilize "last-mile" wiring rented from a larger owner ISP by a smaller ISP.
To carry someone on the back or shoulders.