Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Blender Stack Exchange is a question and answer site for people who use Blender to create 3D graphics, animations, or games. It only takes a minute to sign up.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
I would like to remove the hand from the spear:
In Edit mode, cut with the Knife tool (K to activate, A to cut orthogonally, C to cut through), then remove all the vertices inbetween:
Then select the top circle and the bottom circle, activate the LoopTools addon, and RMB > LoopTools > Bridge: