How can a roamer make a difference?

How can a roamer make a difference? - Hand of crop anonymous tattooed person spraying white paint from can on colorful wall while standing on street of city

I am interested in separating from the zerg and becoming a roamer in World vs. World. However, I don't want to become useless to my world or become a nuisance to the commanders.

What kinds of responsibilities are roamers expected to fill and what does a roamer need to do to be a productive part of their world's victory in WvW?

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Pictures about "How can a roamer make a difference?"

How can a roamer make a difference? - Crop unrecognizable tattooed painter spraying blue paint from can on multicolored wall with creative graffiti while standing on street in city

How can a roamer make a difference? - Assorted photos representing Asian food with can of refreshing drink against arm with ornamental tattoo

How can a roamer make a difference? - Man in Brown Hoodie Standing Near Road during Night Time

HOW TO USE : ROAM EFFECTS | TWO ROAM ??? | TIPS AND GUIDES | MLBB | CRIS DIGI (ENG SUBS)

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Images: Felicity Tai, Felicity Tai, Mathias Reding, Anh Tuan