名词能做宾语补语吗

可以。例如：

We made him our monitor.我们选他当班长。
I found him a clever boy. 我发现他是个聪明的男孩。

We call him Lao Wang. 我们叫他老王。(名词作宾补)

当然可以。
We made him our monitor.
I regard the dog my best friend.
I find Tom a lier.

可以。
i make lucy a monitor