Unless you are involved in governmental policy making, which most of us are not, the second best way to prevent the use of nuclear weapons is to raise awareness of the dangers of nuclear warfare and hopefully that will cause sufficient interest so that the government will act accordingly.
An antinuker is a person who is against the concept of making nuclear weapons.
It is unclear who "you" is in this scenario. There are many who profit from making nuclear weapons, especially the individuals who are paid to assemble the weapons and their components. Whether or not nuclear proliferation is profitable as a form of conflict deterrence is still very controversial.
1945
Although they have the nuclear material that could be deviated for nuclear weapon production but Ukraine has neither the motivation nor the political/economical will to make nuclear weapons.
They are making nuclear weapons.
No, of course not!
Neither the US nor Russia are making nuclear weapons of any kind at this time. Other countries however are making nuclear weapons; some are North Korea, India, and Pakistan.
It can produce low grade plutonium that need be extracted from the used nuclear fuel through used fuel reprocessing. However, power reactors are subject to the international nuclear safeguards to prevent its misuse.
Because the nuclear weapons will not bring peace they will just bring more and more war and that will definitely not solve any problems.
making nuclear weapons
No. But old ones are being refurbished.