In season 1 why the recruiter reacted like this to Gi-Hun pulling a gun on him

https://preview.redd.it/lnwhi93oiole1.jpg?width=1263&format=pjpg&auto=webp&s=3fb974503777e601f93f54f00e60afa0434c306b

like, how in season 2 he's such a deadly killer type but here he seems concerned for his own life