1. Boil water; add couscous and raisins, then immediately remove from heat. Cover and let stand for 5 mins. Set aside.
2. In a large bowl, combine chickpeas with all the ingredients up to red pepper. Add couscous mixture and combine.
3. In a small bowl, whisk together olive oil, lemon juice, garlic, salt, cumin, and sugar. Pour over couscous mixture and toss to combine.