Exploit (verb)

1. Make full use of and derive benefit from (a resource).
2. Take advantage of (a situation or person) in an unfair or selfish way.

Origin:

Early 17th century: from french exploiter, from latin explicare "unfold, explain" (in medieval latin "make use of").

Examples:

1. The company exploited the natural resources of the land.
2. The workers were exploited and paid very low wages.
3. He exploited her vulnerability and took advantage of her.
4. The company exploited the market opportunity and made a lot of profit.
5. The athlete exploited his popularity and made a lot of money from endorsements.