A professional with extensive mathematical and scientific skills. Engineering has many different types of careers: civil engineering, structural engineering, mechanical engineering, and so on and so forth.
They are underpaid when compared to other fields such as medicine. That isn't to say that doctors don't deserve those massive paychecks. A medical mistake can kill one person, but an engineering mistake can kill hundreds and thousands of people.
Engineers have heavy burdens to carry, and should be respected. Everything around you was designed by an engineer.
Engineers are individuals who solve the problems ordinary people can't.