NaHS is known as an acid salt which acts as a "buffer". Therefore, it really depends on the solution and not just NaHS itself since an acid salt can be at times an acid and at times a base.
Source: Acid Salt see link below:
it is weak acid :)
It is a weak acid.
Weak.
It is a weak acid
Oxalic acid is a relatively strong weak acid. It has pKa1=1.27 and pKa2=4.28.
It's a weak acid.
no it is a strong acid
Its a weak acid
Strong acid
A strong acid dissociates more completely than a weak acid.
i thing strong acid
i thing strong acid