Contracts
Contracts are a new system added in Battle for Azeroth. Using a contract for a specific faction makes it so that you gain reputation for that faction every time you complete a world quest. Using the contract requires you to be at least Friendly with the faction.
You gain 10 rep from each WQ for the faction you are contracted to
Contracts are made by Inscribers
Horde Contracts:
Tortollan Seekers
Champions of Azeroth
Zandalari Empire
Talanji’s Expedition
Voldunai
None the Wiser Guild 