Have a look at a free pack of generic animations for NPC characters in your Unreal projects.
First, here’s a demo video of possible ways to use Generic NPC Anim Pack:
The set includes 69 mocap generic animations for your characters. List of animations can be found in this PDF file.
Please note that source files are also included as separate animations in FBX file format. You can find them in SourceFiles.Zip archive.
You can learn more and get the pack here.