Definition of "trekker" [trek•ker]

• One who treks; thus, a hiker (noun)
• A person who spent the night in a rural area, rather than his home, during bombing raids (noun)

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• "He was one of my instructors--a funny, energetic, "trekker" guy."
• "The company will open up the rest of the continent to a new kind of trekker, development consultants, equipment manufacturers, contractors and suppliers in the water field."
• "He was in truth a "trekker" rather than a nomad, and he possessed the invaluable military attributes of the man unchained by cities and accustomed to wander far in a hard and bracing country."