Will it be a grammar mistake if I used Encouraged in this way?

[Kwfine]

Hi teachers,

Can we say that someone is encouraged by his experience to do something?
For example,
Peter was encouraged by his 18 years of working experience to help the new comers to develop their skills necessary for the company business?

Please kindly advise, teachers.

Thank you.

Kitty.
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各位前輩安安, 我是kitty喔!

[Kitosdad]

Peter was confident that his 18 years of working experience would help the new comers to develop the skills necessary for the company business?

Normally encouragement comes from other people, not from oneself.
Confidence is self promoted though.
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Keep it simple ... Keep it interesting.

[Kwfine]

Thank you so much for the help, Kitosdad. :D
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各位前輩安安, 我是kitty喔!