Someone who watches over and spectates the thing or event going on kinda like a supervisor.
The answer to your question is a
Tripled
In the United States, the percentage of children and adolescents affected by obesity has more than tripled since the 1970s.1 Data from 2015–2016 show that nearly 1 in 5 school-age children and young people aged 6 to 19 years in the United States has obesity.2
