ID please. Red underside of leaves - dying / fixable?



i have no idea what my plant is. Could anyone ID it please? Is it an indoor only fella?
a few of the leaves have developed small holes in them. Every leaf is coloured red on it’s underside. Could anyone diagnose the illness / is it dead / what do I need to do?
Many thanks. Naming or links for me to read is very appreciated.
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Posts
Water less?
Your last paragraph mentioned “lots ofplants”. It’s only one!
Cheers!
Bob
Sorry for wasting any time. I blame my head injury and imperfect sight.