Vieira - the twin brother of former Whites midfielder Ronaldo - re-signed for Tadcaster Albion back in October.
However, the Brewers have not played since October 31 and the football seasons at Steps 3 to 6 have been curtailed due to the country's ongoing fight against coronavirus.
Taking to his Twitter page on Wednesday, 22-year-old Vieira posted: "With the current Covid-19 situation, I haven't been able to play so I have a lot of free time where I keep fit and also I want to learn new set of skills because there's life beyond football.
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"I also want to help other people. If there's any charities /anybody needing help get in touch.
"Or anyone business entrepreneurs who have time to teach or show me some skills in the business world, please get in touch as I am keen to learn new skills whilst am not playing.
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Thank you Laura Collins