Chloe Johnson, from Forest Hill in south east London, died in a waterpark at the Coral Sea Waterworld Hotel in the Red Sea resort of Sharm el-Sheikh on Friday.
Her family say they are angry and hurt that more was not done to save her.
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Members of the RMT union who work on the Central Line will walk out at 9pm on Wednesday.
Southeastern was hit after a freight train derailed causing travel chaos for hundreds of thousands of passengers.
The club says the decision to sack Ken Hare was "a disappointment". He had been at Roots Hall for 27 years.