<?php
$profile_args = array(
    'user_id'          => 1,
    'profile_group_id' => array( 1, 2 ),
);

if ( bp_has_profile( $profile_args ) ) :
    while ( bp_profile_groups() ) : bp_the_profile_group();
        if ( bp_profile_group_has_fields() ) : ?>
            <h2><?php bp_the_profile_group_name(); ?></h2>

            <table class="profile-fields">

                <?php while ( bp_profile_fields() ) : bp_the_profile_field(); ?>

                    <?php if ( bp_field_has_data() ) : ?>

                        <tr<?php bp_field_css_class(); ?>>

                            <td class="label"><?php bp_the_profile_field_name(); ?></td>

                            <td class="data"><?php bp_the_profile_field_value(); ?></td>

                        </tr>

                    <?php endif; ?>

                <?php endwhile; ?>

            </table>

        <?php
        endif;
    endwhile;
endif;

<?php 
// A couple of users are so cool I would like to do something
// featuring just their updates 
$activity_args = array(
	'user_id__in' => array( 3, 7 ),
);

$activity_items = bp_activity_get( $activity_args );

foreach ( $activity_items as $activity ) {
	// Do soemthing interesting with these activities...
}
?>

<?php 
// I'd like to block updates from a couple of annoying users. 😮
$activity_args = array(
	'user_id__not_in' => array( 3, 7 ),
);

$activity_items = bp_activity_get( $activity_args );

foreach ( $activity_items as $activity ) {
	// Do soemthing interesting with these activities...
}
?>