The clues seem to indicate the 7-letter word is TEACHER. 123 = tea (a drink); 3456 = ache (a pain); 567 = her (a girl). 1234567 would be teacher
teacher
teacher
drink=imbibe
teacher
A 9-letter word in a drink name might be Manhattan. If the word were to be plural, it is also possible to use cocktails.
1234567 teacher
pain because pain can be an encouragement
tea
drink?
wine
soda port
rum