1. scathing

No matter how they are scathing to you, we support you forever.

2. thuggish

Those thuggish gangsters never thought of learning some financial knowledge.

3. crony

His cronies have been accompanying him for many years.

4. menace

He is the last one in the word, who could be menaced by the death.

5. jovial

The jovial children talked to each other on their way to the garden.

6. paternal

Their teacher taught them paternally.

7. bigheaded

Never think as bigheaded as the arrogant guy.

8. tad

A tad drink of water could save his life.

summary:

Harry was laughed at by Malfoy for his demanded a signed photo. Lockhart helped Harry solve the problem with the way which Harry didn't like. Harry was very embarrassed because he had never wanted to be a famous person as Lockhart  thought.