They encroach on our fundamental liberties.

Wild animal attacks on the human population increase when their habitat is encroached upon and invaded.

Urbanization is encroaching on rural life.

In some countries, when a herd of elephants encroaches upon the agricultural livelihoods of farmers, the elephants can be exterminated.

Experience should teach us to be most on our guard to protect liberty when the government's purposes are beneficent. Men born to freedom are naturally alert to repel invasion of their liberty by evil-minded rulers. The greatest dangers to liberty lurk in insidious encroachment by men of zeal, well-meaning but without understanding.

A flood can be defined as the encroachment of water in an area or region which is usually dry.

He launched into a tirade about how the government is encroaching on his rights.

A good salesman will not encroach on his customer's time.