how to get the user that typed that commands name disocrd.py code example

Example 1: how to limit a command to a role in discord.py

@bot.command()
@commands.has_role('RoleName')
async def command_name():

Example 2: unknown amount of arguments discord py

# Include a asterisk (*) before the variable name, eg:

async def repeatback(context, *words):
	# Function code