Wut is payers federal ein mean

The payer's TIN or EIN number is nine numbers.  it's located under the payer's name and address in a box that is titled Payer's TIN.

For more information, refer to the IRS articles Taxpayer Identification Numbers (TIN) Employer identification number (EIN).

If you were paid in cash as an independent contractor ( or self-employed), your income is considered self-employment income and will be reported on a Schedule C.  You will have to pay self-employment taxes on your net income. You are allowed to deduct any expenses that you may have incurred in your babysitting gig. 

Refer to the TurboTax article How do I report income from self-employment? for instructions on how to enter your income.

For additional information, please review the TurboTax Help article Reporting Self-Employment Business Income and Deductions