Possible Clues:

• Old poet to run at back of house
• Roman poet and satirist, d. 8 BC
• It's a chore, acting as linesman
• Ars Poetica author
• Roman poet who wrote 'Seize the day, put no trust in the morrow!'
• Walpole, say, in House, ahead of competition
• Husband has love competition, a poet
• Ancient writer of 'Odes'
• Poet who coined the term "carpe diem"
• Latin poet