How to find if ANY column has a specific value I am looking for?

Question

   id first  middle  last       Age
    1 Carol  Jenny   Smith      15
    2 Sarah  Carol   Roberts    20
    3 Josh   David   Richardson 22

I am t

Answer 1

A solution using apply family

df$Carol = lapply(1:nrow(df), function(x) any(df[x,]=="Carol))