我遇到骗子了。用英语怎么说。
最近我在网上遇到一个自称是非洲的骗子，说自己是难民，父亲留下了很多钱在英国的银行。

Question

Answer

我遇到骗子了骗子
=> scammer (online) 
例子(Ex.)： I came across a scammer.  I found a scammer online.  I met a scammer online.
=> con artis.t or swindler (in person) 
例子(Ex.): I met a con artist/swindler.

Answer

I ran into a swindler (in person).
I came across a swindler (on the Internet).

Yes, there are plenty of those.