Orcs in my setting are vikings. They get their longboats out and sail across the sea to pillage up and down the human lands following the extensive rivers. As the humans are split up into humdreds of petty princedoms there's no central authorithy to combat these incursions, and every year more villages are burned down or ransomed by the orcs.
Their goddess is Skade, a legendary orc shieldmaid whose father was betrayed and murdered. She took it upon herself to kill all those involved in the murder over one bloody winter. Skade encourage infighting to weed out the weak and never lets a grudge go. This may be why orcs are notoriously bad at keeping empires together and seen as violent by the rest of the world.
Orc society values only cunning and skill. It doesn't matter iwho you are, what sex you have or what family you belong to. Only results matter, and if you can keep a ship's crew togethe lognenough to win profit by trade or raid you've earned your position as captain-king. Even a slave or a non-orc can win honour and glory without prejudice, they just rarely are in a position to do so.
To an orc wealth in itself is nothing. Wealth spread generously earns the reapect of warriors, and a wealthy and genrous captain will make him or her self a reputation that attracts warriors to pledge their alligence. To raid or, in their wildest dreams, rule a mighty human city is the ambition of any orc captain-king.