On the stroke facing him the angle is too large. Angle should be about 20°.
As for cuting body parts, I’ve never cut myself steeling a knife. Highest chance of cutting yourself is when boning out particularly a shoulder of lamb. Fucking awkward doing them.
My Dad was a carpenter and as a kid I used to watch him do maintenance stuff on his tools. He used to sharpen and set his saws and sharpen his chisels on an oilstone. He never used a leather strap to strop his chisels but used the palm of his hand. It used to scare the life out of me to watch.
I sharpen my chisels on Japanese water stones, finishing with 6,000 grit and then I use a leather strip (glued to a board) with polishing compound on it, just for the secondary bevel though. Mirror finish and as sharp as a new razor blade. No need to strop, the polishing has the same effect.
There is far more enlightened thinking towards safety these days, thank fuck - that’s why accident stats (particularly in the construction industry) have been improving for years.