Myself

I am Brazilian, I love meeting new people, to help them and to show things about my country and language. I'm a professional marketing professional and now studying civil engineering.

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While there is no grammatical error in the correction above, a more suitable note would look like this -

Myself
I am a Brazilian. I love meeting new people, helping them, showing things about my country and (discussing about) language. I'm a marketing professional and currently studying civil engineering.