Live-Action Character Replacement

I have a live-action outdoor sequence in which one on-screen actor needs to be removed and swapped with a new character throughout the scene. The replacement must match the original timing, mouth movements for dialogue, and natural body motion as the character walks and gestures... (Budget: ₹600 - ₹1500 INR, Jobs: 3D Animation, After Effects, AI Video, Animation, Motion Graphics, Rotoscoping, Video Production, Video Services, Visual Effects)