Extra strength prayers he’s safe nearby (cats usually stay in the vicinity and are excellent hiders) and reunited with you very very soon - put his food, water, and shelter in a shaded area outside your door and/or in your garage - diligently canvas the area with large colorful posters and flyers - contact local area vets, rescues, and animal control - cats are naturally adventurous and superb survivalists - don't lose hope 🙏❤💪🏻
Get outside with your flashlight calling kitty's name day and night. Also check Underneath porches bushes decks etc. If you have a Garage door open it a little bit so he can come in. Also put water & Food. Along with scented clothing that he slept on along with your. When calling his name shake a bag of hard food calling his name.
Look outside often they usually come back when it's dark and quiet. They usually don't go far. So they are closer than you think 🙏
And keep doing this until kitty comes back home. You need to keep doing this more than once