Gwen knew her name didn't suit her; she didn't even think about it. It made no sense. In fact, her parents probably hadn't known what it meant. After all, the meaning of a name, was just a meaning? It didn't actually influence you.
Fair one- how did that reflect her? Her, Gwen, blonde-haired? She'd not even thought about taking it more metaphorically, until Merlin had told her something that she'd always remember-
'How do you know it doesn't mean your personality?' And it was such a Merlin thing to say, she'd not thought about it, and then she'd realised she'd been pretty silly not to think it could mean something other than having fair hair. And then she'd striven to be fair to all.
Review?
Later update- I changed the last line, as it didn't really make sense… Thanks to Chavva for pointing it out! :D