“卑鄙的人”英语怎么说？

lowlife：罪犯；恶棍；社会渣滓；卑鄙的人；社会底层的人。
Look at the way you dress! How
do you look like a lowlife person.
看看你的衣服！你怎么像个下等人。
This is the most ignorant and
lowlife person I have seen.
这是我见过的最无知、最无耻的卑鄙小人。

he is a type of a lowlife for herself.她也许发现他是一个卑鄙的人。
It"s because people like lowlife
you were there，so the social is
not peaceful.
这是因为有像你这样卑鄙的小人存在，所以，社会就不安宁了。