Complain about someone messaging me

[welshtaz13]

I have someone messaging me who I find rude. They are trying to get an item cheaper and have sent me messages I find unacceptable. Can I complain to eBay, and is there a way to block them?
Thanks

[pixiesen2012]

add their ID to your blocked list

http://offer.ebay.co.uk/ws/eBayISAPI.dll?BidderBlockLogin

and tick the 'don't let blocked bidders contact me' box

on this page:-

https://offer.ebay.co.uk/ws/eBayISAPI.dll?BuyerBlockPreferences