Tajamul's father is a driver for a construction company and somehow manages to make ends meet. However, there had been no lack of encouragement from him.
Among those mourning the train crash's victims were President Sergio Mattarella, Parliament President Laura Boldrini and Transport Minister Graziano Delrio.
The crash happened Tuesday on a single-track stretch of railway run by station managers who communicate directly with train drivers.
The official death toll from Italy's train crash stood at 23, but the prefect of Barletta said relatives reported another four people unaccounted-for.
Italy's premier, Renzi, said the train crash "is a moment of tears" and pledged not to stop investigating until a cause was determined.