Precise Rotoscope Cut-outs Needed

I have five short talking-head clips, each running two to three minutes, that need to be rotoscoped frame-by-frame in Adobe After Effects. The finished foregrounds must carry a perfectly clean alpha channel because I’ll be laying the speakers over a new green-mat video background... (Budget: ₹600 - ₹1500 INR, Jobs: 3D Animation, 3D Modelling, After Effects, Animation, Motion Graphics, Rotoscoping, Video Editing, Video Post-editing, Video Production, Visual Effects)