Hi Torsten,
I hope everything is fine with you.
Can you give me brief about when I can you confidence and confident?
I am doing very well on improving my language, this is all because of your efforts.
Many thanks to you. 
Yousef
Hi Yousef,
Many thanks for joining our forum. As for your question, confidence is a noun while confident is an adjective. So you can have a lot of confidence in yourself which means you are very self-confident.
Hope this makes sense.
Regards,
Torsten[YSaerTTEW443543]
TOEIC listening, question-response: What’s the matter with the photocopier?[YSaerTTEW443543]
Were you confused because of my name?